def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkImageNormalize(), 'Processing.',
('vtkImageData',), ('vtkImageData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
def getImageMask(inputVtkImageData):
"""
@type inputVtkImageData: C{vtkImageData}
@param inputVtkImageData: Image data to be normalized
@rtype: C{vtkImageData}
@return: Normalized (0-1) image data
"""
t = vtk.vtkImageThreshold()
#t.ThresholdBetween(1,255)
t.ThresholdByUpper(114)
t.ReplaceInOn()
t.SetReplaceIn(0)
t.ReplaceOutOn()
t.SetReplaceOut(255)
t.SetInput(inputVtkImageData)
norm = vtk.vtkImageNormalize()
norm.SetInput(t.GetOutput())
#norm.SetInput(inputVtkImageData)
norm.Update()
d = vtk.vtkImageDilateErode3D()
d.SetKernelSize(4,4,4)
d.SetDilateValue(1)
d.SetErodeValue(0)
d.SetInput(norm.GetOutput())
return d.GetOutput()
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(self,
module_manager,
vtk.vtkImageNormalize(),
'Processing.', ('vtkImageData', ),
('vtkImageData', ),
replaceDoc=True,
inputFunctions=None,
outputFunctions=None)
def normalize(self):
"""Normalize that scalar components for each point."""
norm = vtk.vtkImageNormalize()
norm.SetInputData(self.imagedata())
norm.Update()
return self._update(norm.GetOutput())
#!/usr/bin/env python import vtk from vtk.test import Testing from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # This script is for testing the normalize filter. # Image pipeline cos = vtk.vtkImageSinusoidSource() cos.SetWholeExtent(0, 225, 0, 225, 0, 20) cos.SetAmplitude(250) cos.SetDirection(1, 1, 1) cos.SetPeriod(20) cos.ReleaseDataFlagOff() gradient = vtk.vtkImageGradient() gradient.SetInputConnection(cos.GetOutputPort()) gradient.SetDimensionality(3) norm = vtk.vtkImageNormalize() norm.SetInputConnection(gradient.GetOutputPort()) viewer = vtk.vtkImageViewer() #viewer DebugOn viewer.SetInputConnection(norm.GetOutputPort()) viewer.SetZSlice(10) viewer.SetColorWindow(2.0) viewer.SetColorLevel(0) viewer.Render() # --- end of script --
def main():
colors = vtk.vtkNamedColors()
colors.SetColor("right_bkg", [0.4, 0.5, 0.6, 1.0])
colors.SetColor("left_bkg", [0.6, 0.5, 0.4, 1.0])
# Create an image
source = vtk.vtkImageSinusoidSource()
source.Update()
normalizeFilter = vtk.vtkImageNormalize()
normalizeFilter.SetInputConnection(source.GetOutputPort())
normalizeFilter.Update()
inputCastFilter = vtk.vtkImageCast()
inputCastFilter.SetInputConnection(source.GetOutputPort())
inputCastFilter.SetOutputScalarTypeToUnsignedChar()
inputCastFilter.Update()
normalizeCastFilter = vtk.vtkImageCast()
normalizeCastFilter.SetInputConnection(normalizeFilter.GetOutputPort())
normalizeCastFilter.SetOutputScalarTypeToUnsignedChar()
normalizeCastFilter.Update()
# Create actors
inputActor = vtk.vtkImageActor()
inputActor.GetMapper().SetInputConnection(inputCastFilter.GetOutputPort())
normalizedActor = vtk.vtkImageActor()
normalizedActor.GetMapper().SetInputConnection(
normalizeCastFilter.GetOutputPort())
# There will be one render window
renderWindow = vtk.vtkRenderWindow()
renderWindow.SetSize(600, 300)
# And one interactor
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(renderWindow)
# Define viewport ranges
# (xmin, ymin, xmax, ymax)
leftViewport = [0.0, 0.0, 0.5, 1.0]
rightViewport = [0.5, 0.0, 1.0, 1.0]
# Setup both renderers
leftRenderer = vtk.vtkRenderer()
renderWindow.AddRenderer(leftRenderer)
leftRenderer.SetViewport(leftViewport)
leftRenderer.SetBackground(colors.GetColor3d("left_bkg"))
rightRenderer = vtk.vtkRenderer()
renderWindow.AddRenderer(rightRenderer)
rightRenderer.SetViewport(rightViewport)
rightRenderer.SetBackground(colors.GetColor3d("right_bkg"))
leftRenderer.AddActor(inputActor)
rightRenderer.AddActor(normalizedActor)
leftRenderer.ResetCamera()
rightRenderer.ResetCamera()
renderWindow.Render()
interactor.Start()
#!/usr/bin/env python import vtk from vtk.test import Testing from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # This script is for testing the normalize filter. # Image pipeline cos = vtk.vtkImageSinusoidSource() cos.SetWholeExtent(0, 225, 0, 225, 0, 20) cos.SetAmplitude(250) cos.SetDirection(1, 1, 1) cos.SetPeriod(20) cos.ReleaseDataFlagOff() gradient = vtk.vtkImageGradient() gradient.SetInputConnection(cos.GetOutputPort()) gradient.SetDimensionality(3) norm = vtk.vtkImageNormalize() norm.SetInputConnection(gradient.GetOutputPort()) viewer = vtk.vtkImageViewer() # viewer DebugOn viewer.SetInputConnection(norm.GetOutputPort()) viewer.SetZSlice(10) viewer.SetColorWindow(2.0) viewer.SetColorLevel(0) viewer.Render() # --- end of script --